A precondition to being included in the trial is having either a CT or MRI of the lumbar spine within the previous 18 months and not having any of the exclusion criteria sited below. Once included in the trial patients will be randomized into the study and the control groups. All epidural injections will be performed under fluoroscopy, and radiocontrast dye will be injected to verify that the injectate will be given in the correct place. Patients in this group will receive 3 interlaminar epidural steroid injections approximately 4 weeks apart. The solution injected will be made up of 80mg methylprednisolone acetate with bupivicaine. The level injected will depend on the clinical picture.